Breadboard



FIG. 1 is a perspective view of a breadboard showing my new design;

FIG. 2 is a top view of a breadboard showing my new design;

FIG. 3 is a right side end view of a breadboard showing my new design of which the left side is a mirror image;

FIG. 4 is a front side view of a breadboard showing my new design of which the back side view is a mirror image; and,

FIG. 5 is a bottom view of a breadboard showing my new design.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a breadboard, as shown and described. 